<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .d1 {
            width: 611px;
            height: 376px;
            background: gray;
            margin-right: 10px;
            float: left;
        }

        .d2 {
            width: 375px;
            height: 376px;
            background: yellow;
            float: left;
        }
        .d3 {
            width: 366px;
            height: 233px;
            background: pink;
            float: left;
            margin-top: 10px;
            margin-right: 20px;;
        }
        .d4,.d5,.d6 {
            width: 198px;
            height: 233px;
            background: #0aa1ed;
            float: left;
            margin-top: 10px;
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <div class="d1"></div>
    <div class="d2"></div>
    <div class="d3"></div>
    <div class="d4"></div>
    <div class="d5"></div>
    <div class="d6"></div>
</body>
</html>